The main conspirator in the Bulli Bai case in which Muslim women were put up on an online 'auction' has been arrested from Assam, Delhi Police said today. "Neeraj Bishnoi, arrested from Assam by Delhi Police Special Cell's IFSO team, is the main conspirator and creator of 'Bulli Bai' on GitHub and the main Twitter account holder of the app," K P S Malhotra, Deputy Commissioner of Police, Intelligence Fusion and Strategic Operations (IFSO) unit, told the media.